@phdthesis{74484,
  author = {Mike Fisher},
  title = {Generalized frames on the sphere, with application to the background error covariance modelling.},
  year = {2004},
  journal = {Seminar on Recent developments in numerical methods for atmospheric and ocean modelling, 6-10 September 2004},
  pages = {87-102},
  month = {2004},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}